openlibrary/bookreader — pull request #15 by EdwardBetts (2011-10-31 21:03:24+00:00)
Title: Fix for failure when retrying book covers

Book covers failed for Magic-Mouse-2010-12. The book reader preview tries with '-reduce 6', which fails. The retry failed due to reusing the same temp file. I added a call to 'unlink' to delete the temp file before the retry, now it works.